Riccardo De Bonis, Alberto Franco Pozzolo, editors
[Springer, Springer], 2012
eBooks
Wilson, R. M. S., author
McGraw-Hill, 1974
Buku Teks
Smith, Paul F.
Prentice-Hall, 1978
Buku Teks
Smith, Paul F.
Praeger , 1982
Buku Teks
Myers, E.R., author
McGraw-Hill, 1984
Buku Teks